#408E63
Closest named color: Viridian (#1E9167). oklch(58.5% 0.102 156.9), rgb(64, 142, 99).
Aa
Black text reads best on this color (5.26:1).
About this color
#408E63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.102 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.019 away. Black text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #408E63 |
| RGB | rgb(64, 142, 99) |
| HSL | hsl(147, 38%, 40%) |
| OKLCH | oklch(58.5% 0.102 156.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #408E63 | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #408E63 | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #408E63 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #408E63 text on black | 5.26:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB5
oklch(80.9% 0.046 157.3)
-
Step 400
400
#7AAF8E
oklch(70.7% 0.074 156.6)
-
Step 500
500
#559B72
oklch(63.2% 0.095 156.6)
-
Step 600
600 (this color)
#408E63
oklch(58.5% 0.102 156.9)
-
Step 700
700
#28714A
oklch(49.2% 0.096 156.6)
-
Step 800
800
#235C3D
oklch(42.8% 0.079 156.7)
-
Step 900
900
#224B34
oklch(37.6% 0.061 157.1)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#408E63 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8D8460 | 0.094 |
| Deuteranopia (no green cones) | #827C66 | 0.092 |
| Tritanopia (no blue cones) | #288D83 | 0.049 |
| Achromatopsia (no color) | #7F7F7F | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408E63
#408E63
oklch(58.5% 0.102 156.9)
- #A26392
#A26392
oklch(58.5% 0.103 336.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #408E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.019
- Sea Green #2E8B57 ΔE 0.024
- Light Forest Green #4F9153 ΔE 0.028
- Dark Sage #598556 ΔE 0.031
- Ocean Green #3D9973 ΔE 0.034
- Fern Green #548D44 ΔE 0.039
- Slate Green #658D6D ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.052
Use #408E63 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.